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by hammax
Fri Nov 08, 2019 9:07 am
Forum: Help on using FreeCAD
Topic: flat solid spiral shape
Replies: 13
Views: 327

Re: flat solid spiral shape

… some links: https://forum.freecadweb.org/viewtopic.php?f=3&t=29517 https://forum.freecadweb.org/viewtopic.php?f=13&t=33931 https://forum.freecadweb.org/viewtopic.php?f=3&t=36361 https://forum.freecadweb.org/viewtopic.php?f=13&t=34595&p=290604#p290606 https://forum.freecadweb.org/viewtopic.php?f=8&...
by hammax
Wed Nov 06, 2019 1:25 pm
Forum: Help on using FreeCAD
Topic: [Solved] no filled face possible
Replies: 8
Views: 226

Re: no filled face possible

… using in CurvesWB the combined_projection_curve to generate 3D BSplines with SketcherWB,
you are able to create a filled 3D-Surface - but it is not parametric when modifying sketches.

FilledFace.PNG
FilledFace.PNG (38.21 KiB) Viewed 135 times
by hammax
Sat Nov 02, 2019 7:59 am
Forum: Help on using FreeCAD
Topic: 90 degrees bend with turning vanes
Replies: 4
Views: 198

Re: 90 degrees bend with turning vanes

… I understand your pipe bend like that:
And think about production!

Bend.PNG
Bend.PNG (68.41 KiB) Viewed 144 times
by hammax
Wed Oct 30, 2019 11:00 am
Forum: Install / Compile
Topic: 32Bit version for Windows? 0.19? 0.18.4?
Replies: 3
Views: 296

Re: 32Bit version for Windows? 0.19? 0.18.4?

@Ingo, … you are not the only one, who would like to have a FC_0.19.18xxx 32bit-version. My PC could also do 64 bit, but 4 years ago I decided to 32 bit, for some old software, and now I don't want to reconfigurate it (never change….) No more thrill with a pre - combined with some activity restraint.
by hammax
Tue Oct 29, 2019 3:28 pm
Forum: Open discussion
Topic: Curves workbench
Replies: 510
Views: 48737

Re: Curves workbench

… some post before we talked about IsoCurve concerning GlouGlou's definition. https://forum.freecadweb.org/viewtopic.php?f=8&t=22675&start=470#p342960 Defining wing profiles there exists the so called "camber line": https://en.wikipedia.org/wiki/Camber_%28aerodynamics%29 camber line, the curve Z(x) ...
by hammax
Tue Oct 29, 2019 7:38 am
Forum: Forum in Deutsch
Topic: Air Plane Design
Replies: 34
Views: 1158

Re: Air Plane Design

… habe mir das Tragflächen-Profil Addon auch mal zugelegt und bin neugierig, was da noch alles reinkommt. Empfehle dringend, auf englische Menüsprache zu setzen - FreeCAD zuliebe. Mich interessiert nach wie vor der Workflow "zu Fuss" mit selbstgestrickten Sketcher BSplines. Hier gibt's auch noch ein...
by hammax
Mon Oct 28, 2019 9:07 am
Forum: Forum in Deutsch
Topic: Air Plane Design
Replies: 34
Views: 1158

Re: Air Plane Design

… die TrailingEdge TE hat in den Profildaten ja oft eine endliche Dicke. Ich mach da immer eine vertikale, kurze Edge rein. Scharfe TE geht eigentlich nur bei Aufdicken = Skin nach +. Aber die LE muss immer einen tangentialen Übergang vom Saugseiten- zum Druckseiten-Profil besitzen. Hier muss insbes...
by hammax
Mon Oct 28, 2019 7:18 am
Forum: Forum in Deutsch
Topic: Air Plane Design
Replies: 34
Views: 1158

Re: Air Plane Design

gefällt Dir die Draft Umwandling in einen B-Spline nicht? … not at all! Ich kriege schon "Zustände" wenn ich die LE = LeadingEdges mancher Profile sehe. Ziel ist hier nicht, "etwas besser wissen", sondern zu versuchen, es besser zu machen und Regeln oder einen Workflow zu finden, der vom Datensatz ...
by hammax
Sun Oct 27, 2019 4:40 pm
Forum: Announcements & Features
Topic: Air Plane Design Workbench - discussion thread
Replies: 22
Views: 2866

Re: Air Plane Design Workbench - discussion thread

… 2 BSplines in sketcher with 5 - 6 Points one on suction side and also one on pressure side gives already a solution.
https://forum.freecadweb.org/viewtopic. ... 22#p343522
Ex_Profiles.PNG
Ex_Profiles.PNG (31.86 KiB) Viewed 469 times

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